Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

61°F

16°C

Humidity 87%
Wind Speed S 10 G 24 mph
Barometer 29.40 in (995.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Mar 3:52 pm EDT
Extended Forecast for

Catharpin VA

Wind Advisory March 16, 08:00pm until March 17, 12:00am
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Cloudy, with a high near 71. Breezy, with a south wind 17 to 20 mph, with gusts as high as 39 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and midnight. Some of the storms could be severe.  Low around 29. Blustery, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 49 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 29 °F

    Severe
    Thunderstorms
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Northwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 18 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Cloudy, with a high near 71. Breezy, with a south wind 17 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and midnight. Some of the storms could be severe. Low around 29. Blustery, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Mostly sunny, with a high near 40. West wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 23. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Wednesday
Partly sunny, with a high near 41. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 62.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
4:24 pm EDT Mar 16, 2026
4pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
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Additional Resources

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